package com.chat.demo.userservice.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/ws")
                .setAllowedOriginPatterns("*") // 允许跨域
                .addInterceptors(new UserHandshakeInterceptor())  // 注册拦截器
                .setHandshakeHandler(new UserHandshakeHandler())  // 注册自定义握手处理器
                .withSockJS();
    }

    @Override
    public void configureMessageBroker(MessageBrokerRegistry registry) {
        registry.enableSimpleBroker("/topic", "/queue"); // 推送目的地前缀
        registry.setApplicationDestinationPrefixes("/app"); // 客户端发送消息的前缀
        registry.setUserDestinationPrefix("/user");
    }
}